<template>
  <div class="container">
    <div class="app-container">
      <el-tree default-expand-all :data="depts" :props="defaultProps">
        <!-- 节点结构 -->
        <!-- v-slot="{ node, data }" 只能作用在template -->
        <template v-slot="{ data }">
          <el-row style="width:100%;height:40px" type="flex" justify="space-between" align="middle">
            <el-col>{{ data.name }}</el-col>
            <el-col :span="4">
              <span class="tree-manager">{{ data.managerName }}</span>
              <!-- $event 实参 表示类型 -->
              <el-dropdown @command="hCommand($event,data.id)">
                <!-- 显示区域内容 -->
                <span class="el-dropdown-link">
                  操作<i class="el-icon-arrow-down el-icon--right" />
                </span>
                <!-- 下拉菜单选项 -->
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                  <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                  <el-dropdown-item command="del">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </el-col>
          </el-row>
        </template>
      </el-tree>
    </div>
    <add_dept
      ref="dept"
      :show-dialog.sync="showDialog"
      :cur-node-id="curNodeId"
      :is-edit="isEdit"
      @updateDepartment="getDepartment"
    >添加</add_dept>
  </div>
</template>
<script>
import { delDepartment, getDepartment } from '@/api/department'
import { arr2tree } from '@/utils'
import add_dept from './components/add_dept.vue'
export default {
  name: 'Department',
  components: { add_dept },
  data() {
    return {
      // depts: [{
      //   name: '传智教育',
      //   children: [
      //     { name: '总裁办' },
      //     { name: '行政部' },
      //     { name: '财务部' }
      //   ]
      // }],
      // defaultProps: {
      //   children: 'children',
      //   label: 'name'
      // }
      isEdit: false,
      curNodeId: '',
      showDialog: false,
      depts: [],
      defaultProps: {
        children: 'children',
        label: 'name'
      }
    }
  },
  created() {
    this.getDepartment()
  },
  methods: {
    hCommand(type, id) {
      this.curNodeId = id
      if (type === 'add') {
        this.isEdit = false
        this.showDialog = true
      } else if (type === 'edit') {
        this.isEdit = true
        this.showDialog = true
        this.$nextTick(() => {
          this.$refs.dept.getDetail()
        })
      } else if (type === 'del') {
        this.$confirm('确定删除吗?').then(() => {
          this.doDel(id)
        }).catch(() => {})
      }
    },
    async doDel(id) {
      await delDepartment(id)
      this.$message.success('删除成功')
      this.getDepartment()
    },
    async getDepartment() {
      const result = await getDepartment()
      this.depts = result.data
      this.depts = arr2tree(result.data, 0)
      console.log(this.depts)
    }

  }
}
</script>
<style scoped>
.app-container {
  padding: 30px 140px;
  font-size: 14px;
}
.tree-manager {
  width: 50px;
  display: inline-block;
  margin: 10px;
}
</style>
